Dr. Eric Topol wanted to know if genes were the reason some people live to very old ages without major health problems.Topol, a prominent cardiologist, decided to test the idea. He and his colleagues at the La Jolla, Calif.-based Scripps Research Translational Institute, which Topol helped found, enrolled people 85 years old and above—and healthy—in a research project. The researchers sequenced and scrutinized the participants’ DNA.
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